Design of Alternating Current Apparatus ; Electric Transmission ; Line Construction ; Switchboards And Switchboard Appliances ; Power Transformation And Measurement
Design of Alternating Current Apparatus ; Electric Transmission ; Line Construction ; Switchboards And Switchboard Appliances ; Power Transformation And Measurement
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In our eReader you can find the full English version of the book. Read Design of Alternating Current Apparatus ; Electric Transmission ; Line Construction ; Switchboards And Switchboard Appliances ; Power Transformation And Measurement Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Design of Alternating Current Apparatus ; Electric Transmission ; Line Construction ; Switchboards And Switchboard Appliances ; Power Transformation And Measurement
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12, given by the General Electric Company, furnish a ready means of obtaining the amount of copper required for a given power transmission. The figures on the curves indicate volts per mile; i. e., potential of line at generator divided by distance in miles. The weight of copper, potential, and line loss are in terms of the power delivered at the end of the line, and not of generated power.
The curves are correct only for three-phase current with 100 percent, power factor. Two-phase, single-pha...se, or continu- ous-current transmission requires one-third more copper.
Five per cent, has been allowed for sag and waste in weights of copper given.
ExAMPLB. — If copper is worth 15 cents per pound, what will the cost of copper be for a line (three-phase) to transmit 1,000 kilowatts at 10,000 volts over a line 10 miles long, with a loss of 6 per cent, of the delivered power?
Solution.— Since 1,000 K. W. at 10,000 volts is to be delivered ,. -^ . , .^. e . , . 10,000 volts over a hne 10 mi.
What to read after Design of Alternating Current Apparatus ; Electric Transmission ; Line Construction ; Switchboards And Switchboard Appliances ; Power Transformation And Measurement?
You can find similar books in the "Read Also" column, or choose other free books by International Correspondence Schools to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
12, given by the General Electric Company, furnish a ready means of obtaining the amount of copper required for a given power transmission. The figures on the curves indicate volts per mile; i. e., potential of line at generator divided by distance in miles. The weight of copper, potential, and line loss are in terms of the power delivered at the end of the line, and not of generated power.
The curves are correct only for three-phase current with 100 percent, power factor. Two-phase, single-pha...se, or continu- ous-current transmission requires one-third more copper.
Five per cent, has been allowed for sag and waste in weights of copper given.
ExAMPLB. — If copper is worth 15 cents per pound, what will the cost of copper be for a line (three-phase) to transmit 1,000 kilowatts at 10,000 volts over a line 10 miles long, with a loss of 6 per cent, of the delivered power?
Solution.— Since 1,000 K. W. at 10,000 volts is to be delivered ,. -^ . , .^. e . , . 10,000 volts over a hne 10 mi.
What to read after Design of Alternating Current Apparatus ; Electric Transmission ; Line Construction ; Switchboards And Switchboard Appliances ; Power Transformation And Measurement?
You can find similar books in the "Read Also" column, or choose other free books by International Correspondence Schools to read onlineMoreLess
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